Freeware for Personal Use

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Active@ KillDisk Freeware is an easy-to use & compact utility that allows to sanitize storage media with the One Pass Zeros data sanitizing standard. It permanently erases all data on Hard Disks, Solid State Drives, Memory Cards & USB drives, SCSI storage & RAID disk arrays and even two disks in parallel.

Freeware version includes Windows, Linux or MacOS X executables, User Guide, License as well as Console Boot Disk ISO image (Windows & Linux only) containing KillDisk pre-installed and bootable disk creator for CD/DVD/Blu-ray & USB disks. With Boot Disks you can boot up and sanitize any PC without needing to boot to the computer's operating system first. System disk (where Windows OS is usually installed) can be easily sanitized this way, which isn't possible when you run KillDisk under your computer's Operating System.

Windows Application:

Windows XP / Vista / 7 / 8 / 10 / 11 (32-bit & 64-bit)
Windows 2003 / 2008 / 2012 / 2016 / 2019 / 2022 Servers
38 MB free disk's space
Intel© Pentium+ (32-bit or 64-bit)
512 MB+ RAM to operate

Linux Application:

Ubuntu 16.04+ or similar
KDE, Gnome or other Desktop
50 MB free disk's space
Intel© Pentium+ (64-bit)
1 GB+ RAM to operate

MacOS Application:

Apple OS X 10.12+ or macOS
iMac, MacBook, Mac Pro family
30 MB free disk's space
Intel/AMD (64-bit) or Apple M1/M2
1 GB+ RAM to operate

Console Application:

Tiny & fast utility for any PC (32 & 64-bit)
CD/DVD/BD/USB drive to boot from
32 MB storage space on CD/USB
Intel© Pentium+
64 MB RAM for execution


Parallel Erasing

True parallel erasing of two disks at the same time, providing independent erase & wipe sessions

Wipe out unused space

Unused space on all disks can be wiped out by overwriting data securely using One Pass Zeros data destruction method

Disk inspection tools

Powerful disk examination tools such as File Browser & Disk Viewer give you a complete overview of your hard drives

Reports & Certificates

After sanitizing completion, work results can be printed or saved in PDF and exported to XML

  KillDisk Freeware

True parallel erasing of two disks at the same time, independent erase & wipe sessions


Universal Boot Disk Creator can pre-configure KillDisk Console startup process using Command Line parameters


Universal Boot Disk Creator for CD/DVD/BD/ISO/USB media Console target


Detects and displays information about all volumes, partitions, hard disks, external USB disks & Memory cards connected to your computer


Detects and displays Hard Disk Drive hidden zones (HPA/DCO areas)


Wipes out unused space on all disks completely by securely overwriting data on the physical level using [One Pass Zeros] data destruction method


Support for previewing & wiping out unused sectors on Apple HFS+, Linux Ext2/Ext3/Ext4, Unix UFS/XFS/JFS and Microsoft FAT/exFAT/NTFS file systems


Supports all possible I/O interfaces: IDE / USB / SATA / eSATA / SSD / SCSI disks, LUN / RAID disk arrays


Supports large-size disks (more than 4TB in size) & new disks having 4kb sector size


Built-in Hex Viewer allows to inspect raw disk's sectors: MBR, volume boot sectors, file system records & data file clusters


Very easy to use: utility has an intuitive user interface for beginners, as well as a powerful command line mode for advanced users


Supports fixed disks (HDD), Solid State Drives (SSD), Memory Cards and USB/USB3 external devices


Supports MBR and GPT (GUID Partition Table) style partitioning for wiping/erasing of volumes


Certificate can be displayed after erase/wipe completion and saved as PDF


Erases physical disks, partitions, logical drives & even unused disk space


Sanitizing Hard Disks - Erase Options

KillDisk Desktop

Parallel Disk Erasing is in Progress

Parallel Disk Erasing is in Progress

Erasing Complete - Sanitizing Certificate

Erasing Complete - Sanitizing Certificate (PDF)
More screenshots

Active@ KillDisk Overview

Advanced Disk Erasing Techniques

How to use Boot Disk with Active@ KillDisk

Data Recovery

Data Utility

Data Security

Data Backup

CD/DVD Tools